using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page 
{
    private static string sbUrl = null;

    protected void Page_Load(object sender, EventArgs e)
    {
        sbUrl = Request.QueryString["sb_url"];

        if (sbUrl == null)
            HyperLinkSB.Visible = false;

        else
        {
            HyperLinkSB.Visible = true;
            HyperLinkSB.NavigateUrl = sbUrl;
        }
    }
}
